N(prime)-aryl Formimidines (i.e., Benzene-n=ch-hnh, Wherein Substitution May Be Made For Hydrogen, Including Those Bonded Directly To The Benzene Ring Only) Patents (Class 564/245)
  • Patent number: 5753239
    Abstract: Bi-aromatic compounds are provided along with methods for their preparation and use.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: May 19, 1998
    Assignee: Centre International de Recherches Dematologiques Galderma (Cird Galderma)
    Inventors: Jean-Philippe Rocher, Jean-Michel Bernardon
  • Patent number: 5721247
    Abstract: There are provided novel compounds of formula I ##STR1## wherein D, R.sup.1, R.sup.2, R.sup.3, X and p are as defined in the specification together with processes for their preparation, compositions containing them and their use in therapy.Compounds of formula I are expected to be useful inter alia in the treatment of neurodegenerative disorders.
    Type: Grant
    Filed: November 14, 1995
    Date of Patent: February 24, 1998
    Assignee: Astra Aktiebolag
    Inventor: James Edwin Macdonald
  • Patent number: 5712418
    Abstract: The present invention is directed to the process of preparing a peptide comprising reacting a first amino acid or peptide with an amino acid fluoride of the formula: ##STR1## or the acid fluoride salts thereof wherein BLK is an N-amino protecting groupAA is an amino acid residue andX is H or a protecting group useful,and the first amino and peptide have a free amino group and a blocked carboxy end.
    Type: Grant
    Filed: August 2, 1994
    Date of Patent: January 27, 1998
    Assignee: Research Corporation Technologies, Inc.
    Inventors: Louis A. Carpino, Ayman Ahmed El-Faham
  • Patent number: 5552443
    Abstract: N,N'-disubstituted-amidines, e.g., of the formula ##STR1## wherein R, R' and R" are substituted or unsubstituted hydrocarbon and/or heterocyclic groups.Methods are provided for the treatment or prophylaxis of anxiety in an animal for treating psychosis, and for treating hypertension by administering an effective amount of an N,N'-disubstituted amidine which, preferably, has a high affinity for the sigma receptor.
    Type: Grant
    Filed: January 18, 1994
    Date of Patent: September 3, 1996
    Assignees: Oregon Health Sciences University, The University of Oregon
    Inventors: John F. W. Keana, Eckard Weber
  • Patent number: 5308869
    Abstract: N,N'-disubstituted-amidines, e.g., of the formula ##STR1## wherein R, R' and R" are substituted or unsubstituted hydrocarbon and/or heterocyclic groups.Methods are provided for the treatment or prophylaxis of anxiety in an animal, for treating psychosis, and for treating hypertension by administering an effective amount of an N,N'-disubstituted amidine which, preferably, has a high affinity for the sigma receptor.
    Type: Grant
    Filed: March 30, 1992
    Date of Patent: May 3, 1994
    Assignee: State of Oregon, acting by and through the Oregon State Board of Higher Education
    Inventors: John F. W. Keana, Eckard Weber
  • Patent number: 5302720
    Abstract: Compounds of formula I ##STR1## and their salts in which R.sub.1 is optionally substituted phenyl, R.sub.2 is alkyl, cycloalkyl or optionally substituted amino, or R.sub.2 and R.sub.3 together with the nitrogen and carbon atoms to which they are attached form an optionally substituted heterocyclic ring or R.sub.3 and R.sub.4 together with the nitrogen atom to which they are attached form an optionally substituted heterocyclic ring and R.sub.5 is H, halo, alkyl, alkoxy, trifluoromethyl or a group of formula S(O).sub.m R.sub.8 in which m is 0, 1 or 2 and R.sub.8 is alkyl have utility in the treatment of diabetes particularly in the treatment of hyperglycaemia.
    Type: Grant
    Filed: June 17, 1992
    Date of Patent: April 12, 1994
    Assignee: The Boots Company
    Inventor: Balasubramanian Gopalan
  • Patent number: 5011628
    Abstract: Substituted benzamidines and their hydrochloride salts are useful as ultraviolet light absorbers, the benzamidines having the formula ##STR1## wherein: A.sup.1 and A.sup.2 may be the same or different and represent --COOR.sup.1, --CONR.sup.1 R.sup.2, --C.tbd.N or --C.sub.6 H.sub.5 ;A.sup.3 represents --H, --OH, --OR, --Cl, --NO.sub.2, --C.tbd.N, --C.sub.6 H.sub.5, or an alkyl group of one to five carbon atoms;R.sup.1 and R.sup.2 may be the same or different and represent hydrogen or an alkyl group of one to ten carbon atoms; and,R represents an alkyl group of one to ten carbon atoms.
    Type: Grant
    Filed: April 11, 1989
    Date of Patent: April 30, 1991
    Assignee: Givaudan Corporation
    Inventors: Isaac D. Cohen, Joseph A. Virgilio
  • Patent number: 4965284
    Abstract: This disclosure described novel derivatives of dibenzothiophene, dibenzothiophene sulfoxide, dibenzothiophene sulfone, thioxanthene, thioxanthene sulfoxide and thioxanthene sulfone which are active as modulators of the mammalian immune response system.
    Type: Grant
    Filed: April 25, 1989
    Date of Patent: October 23, 1990
    Assignee: American Cyanamid Company
    Inventors: Vijay G. Nair, Ramson B. Conrow, Bosco S. Wang, V. M. Ruszala-Mallon
  • Patent number: 4808750
    Abstract: Novel fluorophenoxyphenoxypropionates and derivatives thereof possess herbicidal activity selectively in the presence of broadleaf crops. Preemergent and postemergent applications are contemplated.
    Type: Grant
    Filed: July 14, 1986
    Date of Patent: February 28, 1989
    Assignee: The Dow Chemical Company
    Inventors: Richard B. Rogers, B. Clifford Gerwick, III
  • Patent number: 4777281
    Abstract: The invention relates to novel [(3,4-dichloro-6,7,8,8a,9,10-hexahydro-6-oxo-8a-substituted-2-phenanthreny l)ox yl]-alkanoic acids and -ethanimidamides and their salts. The compounds are useful for the treatment and prevention of injury to the brain and of edema due to head trauma, stroke (particularly ischemic), arrested breathing, cardiac arrest, Reye's syndrome, cerebral thrombosis, cerebral embolism, cerebral hemorrhage, cerebral tumors, encephalomyelitis, spinal cord injury, hydrocephalus, post-operative brain injury trauma, edema due to cerebral infections and various brain concussions.
    Type: Grant
    Filed: March 3, 1986
    Date of Patent: October 11, 1988
    Assignee: Merck & Co., Inc.
    Inventors: Otto W. Woltersdorf, Jr., Edward J. Cragoe, Jr.
  • Patent number: 4670593
    Abstract: Dichloroacetamidines having the formula ##STR1## in which A and B are independently selected from hydrogen, fluorine, chlorine, bromine and methyl, provided that at least one of A or B is other than hydrogen;M is hydrogen or methyl;X is selected from the group consisting of trifluoromethyl, lower alkyl, nitro, chloro, bromo, fluoro, cyano, lower alkoxy acetyl, lower alkylthio, trifluoromethylthio, and 3,3-diloweralkyl ureido;Y is selected from the group consisting of hydrogen, lower alkyl, chloro, fluoro, nitro, trifluoromethyl, and lower alkoxy;Z is selected from the group consisting of hydrogen and chloro;R.sub.1 is selected from the group consisting of hydrogen, alkyl and allyl;R.sub.2 is selected from the group consisting of alkyl, allyl, benzyl, hydroxyalkyl, alkynyl, N-alkyl amido, alkoxyalkyl, dialkoxyalkyl, alkoxy, cyano alkyl, substituted phenyl wherein the substituent is selected from the group trifluoromethyl, dichloro and 3,3-dimethylureido; andR.sub.1 and R.sub.
    Type: Grant
    Filed: November 5, 1984
    Date of Patent: June 2, 1987
    Assignee: Stauffer Chemical Co.
    Inventor: Eugene G. Teach
  • Patent number: 4644065
    Abstract: A new process for the preparation of 3-(1H-tetrazol-5-yl)-4(3H)-quinazolinones from anthranilic acid derivatives is described herein. Additional reactants used in the process are 4-aminotetrazole and a trialkoxymethane or the reaction can be carried out using the imidic ester obtained from these two compounds.
    Type: Grant
    Filed: May 15, 1984
    Date of Patent: February 17, 1987
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventor: Anna P. Vinogradoff
  • Patent number: 4612395
    Abstract: A process for the production of N-(2-methyl-4-chlorophenyl)-formamidine derivatives of formula ##STR1## wherein R.sub.1 is hydrogen or an alkyl radical having 1 to 4 carbon atoms and R.sub.2 is an alkyl radical having 1 to 4 carbon atoms is disclosed which comprises reacting an N-substituted formamide with an inorganic acid chloride, such as phosphorus oxychloride, thionylchloride and phosgene, condensing the intermediate formed with o-toluidine and subsequently chlorinating the N-(2-methylphenyl)-formamidine derivative formed, all reaction steps involved in said process being carried out in the same solvent which is selected from the group of halogenated hydrocarbons.
    Type: Grant
    Filed: August 11, 1978
    Date of Patent: September 16, 1986
    Assignee: Ciba-Geigy Corporation
    Inventors: Roland Dousse, Raoul Nebel
  • Patent number: 4567188
    Abstract: Compounds of the formula ##STR1## in which R.sup.1 is an optionally substituted aryl or heteroaryl radical,R.sup.2 is an alkyl or alkenyl radical which is optionally substituted by alkoxy or cycloalkyl, or an optionally substituted aryl or heteroaryl radical, and X is an optionally aklyl-substituted methylene radical or a direct bond, but if X is a direct bond R.sup.2 is not aryl,or physiologically acceptable acid addition salts thereof, exhibit activity on the circulation system particularly as hypotensive agents.
    Type: Grant
    Filed: August 10, 1983
    Date of Patent: January 28, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ekkehard Niemers, Andreas Knorr, Bernward Garthoff
  • Patent number: 4503076
    Abstract: The compound N-(2,6-dichlorophenyl)acetamidine ##STR1## and its addition salts with pharmaceutically compatible inorganic and organic acids, exhibit a fast, strong vasodilator and antihypertensive action, which is of prolonged duration.
    Type: Grant
    Filed: September 27, 1982
    Date of Patent: March 5, 1985
    Assignee: Ausonia Farmaceutic s.r.l.
    Inventor: Leonardo De Vincentiis
  • Patent number: 4448975
    Abstract: Amidines are one of the strongest organic bases and find application where this property is needed, such as in phase transfer catalysis in the form of their substituted derivatives. Their use, however, has been hampered by their expensive nature due to only mediocre yields in their preparation. The present invention provides a process for the preparation of substituted amidines in essentially quantitative yields.
    Type: Grant
    Filed: October 15, 1981
    Date of Patent: May 15, 1984
    Assignee: General Electric Company
    Inventor: Victor Mark
  • Patent number: 4368335
    Abstract: This disclosure describes novel N'-[2,6-dichloro-4-(substituted-benzylamino)phenyl]-N,N-dimethyl-formamidi nes which possess activity as hypotensive agents and as diuretics.
    Type: Grant
    Filed: November 25, 1981
    Date of Patent: January 11, 1983
    Assignee: American Cyanamid Company
    Inventors: Walter E. Meyer, Andrew S. Tomcufcik, Joseph W. Marsico, Jr.
  • Patent number: 4360466
    Abstract: This disclosure describes novel N'-[2,6-dichloro-4-(substituted-benzylideneamino)phenyl]-N,N-dimethylforma midines which possess activity as hypotensive agents and as diuretics.
    Type: Grant
    Filed: November 25, 1981
    Date of Patent: November 23, 1982
    Assignee: American Cyanamid Company
    Inventors: Walter E. Meyer, Andrew S. Tomcufcik, Joseph W. Marsico, Jr.
  • Patent number: 4341788
    Abstract: This invention is directed to 2-(2-chloro-4-cyclopropyl-phenyl-imino)-imidazolidine, and acid addition salts thereof, the preparation of said compounds, and the use of said compounds as bradycardiacs.
    Type: Grant
    Filed: April 15, 1981
    Date of Patent: July 27, 1982
    Assignee: C. H. Boehringer Sohn
    Inventors: Helmut Stahle, Herbert Koppe, Werner Kummer, Wolfgang Hoefke, Ludwig Pichler
  • Patent number: 4321202
    Abstract: Amidines are one of the strongest organic bases and find application where this property is needed, such as in phase transfer catalysis in the form of their substituted derivatives. Their use, however, has been hampered by their expensive nature due to only mediocre yields in their preparation. The present invention provides a process for the preparation of substituted amidines in essentially quantitative yields.
    Type: Grant
    Filed: December 26, 1979
    Date of Patent: March 23, 1982
    Assignee: General Electric Company
    Inventor: Victor Mark
  • Patent number: 4281142
    Abstract: A multistep process is presented for the preparation of imidazobenzodiazepines of the formula ##STR1## wherein X and Y are selected from the group consisting of hydrogen, halogen and trifluoromethyl.Also presented are novel intermediates utilized in the process.The end products are useful as sedatives, anxiolytics, muscle relaxants and anticonvulsants.The end products are especially useful in intravenous compositions for use in preoperative anesthesia.
    Type: Grant
    Filed: September 27, 1979
    Date of Patent: July 28, 1981
    Assignee: Hoffmann-La Roche Inc.
    Inventors: George F. Field, William J. Zally